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Finding the Fourth Proportional to 38,189.88, 57,241.08 and 20,674.44

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Solution

The fourth proportional to 38,189.88, 57,241.08 and 20,674.44 is: 30,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.88 : 57,241.08 = 20,674.44 : x
  2. Step 2: Convert to fraction form
    38,189.88/57,241.08 = 20,674.44/x
  3. Step 3: Cross multiply
    38,189.88x = 57,241.08 × 20,674.44
  4. Step 4: Simplify right side
    38,189.88x = 1,183,427,274.00
  5. Step 5: Solve for x
    x = 1,183,427,274.00/38,189.88
  6. Step 6: Final answer
    x = 30,987.98

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